<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <meta content="width=device-width, initial-scale=1.0" name="viewport"/>
    <title>myproject</title>
</head>
<style>
    * {
        box-sizing: border-box;
    }

    .el-tree-node__children{
        width: 500px !important;
    }

</style>
<body style="overflow: hidden">
<div id="app"></div>
<script src="./src/main.js" type="module"></script>
</body>
</html>

